Common names from other countries
Classification / Names / Names
俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS
Environment: milieu / climate zone / depth range / distribution range
生態學
深海底的. ; 90°N - 0°S, 126°E - 115°W
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 簡介
Pacific Ocean and the Arctic: Eastern side of Ostrov Sakhalin to northern Hokkaido. Subtropical to polar.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm Max length : 170 cm TL 雄魚/尚未辨別雌雄; (Ref. 1394); 160 cm TL (female); 最大體重: 123.0 kg (Ref. 1394)
Inhabit the southern edges of the pack ice from winter to early summer and coastal areas including river mouths, in late summer and autumn. Diet composition varies with the age of the seal; Newly weaned pups feed on small crustaceans, advance to schooling fishes, larger crustaceans, and octopuses, and finally graduate to bottom dwelling fish and cephalopods (Ref. 1394). Inhabits the southern edges of the pack ice from winter to early summer and coastal areas including river mouths, in late summer and autumn. Diet composition varies with the age of the seal; newly weaned pups feed on small crustaceans, advance to schooling fishes, larger crustaceans, and octopuses, and finally graduate to bottom dwelling fish and cephalopods (Ref. 1394). Those in their first year tend to eat mostly small crustaceans, algae, sticks and debris; 1 to 4 year olds mostly eat fishes, larger shrimps, and octopus, occasionally; 5 year olds consumed more benthic invertebrates like crabs and octopus (Ref. 119414).
主要參考資料
參考文獻 | 合作者 | 合作者
Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 03 June 2015
CITES狀態 (Ref. 108899)
Not Evaluated
Not Evaluated
人類使用
漁業: 商業性
FAO - 漁業: landings, 魚種描繪 | FishSource | 周邊海洋
工具
網路資源
Estimates based on models
Preferred temperature
(Ref.
115969): -0.6 - 5.6, mean 2.2 (based on 1984 cells).
回復力
中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.16-0.44).
瀕危性
High to very high vulnerability (65 of 100).
價格種類
Unknown.
